If you receive this error message, we will recommend trying the following:
• Restart Ubisoft Connect.
Note that during the file verification Ubisoft Connect might trigger an update. If this is the case, please cancel the update.
• Press on the Update button once the verification is done.
If this does not help, please perform a clean installation of Ubisoft Connect.
If the issue persists after following the steps above, do not hesitate to contact us!